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Trilepida dugandi (DUNN, 1944)

IUCN Red List - Trilepida dugandi - Least Concern, LC
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Higher TaxaLeptotyphlopidae, Epictinae, Epictini, Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Dugand's Blind Snake 
SynonymLeptotyphlops dugandi DUNN 1944: 52
Leptotyphlops dugandi — MCDIARMID, CAMPBELL & TOURÉ 1999: 28
Tricheilostoma dugandi — ADALSTEINSSON, BRANCH, TRAPE, VITT & HEDGES 2009
Trilepida dugandi — HEDGES 2011
Tricheilostoma dugandi — PINTO & FERNANDES 2012
Trilepida dugandi — WALLACH et al. 2014: 738 
DistributionColombia (Atlantico).

Type locality: Juanamina, 20 m, about 11 km southwest of Barranquilla, Departamento Atlantico, Colombia.  
Reproductionoviparous 
TypesHolotype: CBB, un-numbered specimen (Colegio Biffi, Barranquilla, Colombia) 
DiagnosisDiagnosis: Tricheilostoma dugandi is distinguished from all congeners by the following combination of characters: snout truncated in dorsal and ventral views, and rounded in lateral view; supraocular present; ocular subhexagonal, dorsal apex straight and anterior border slightly rounded in the eye level; three supralabials (2+1); four infralabials; fused caudals present; temporal scale indistinct; rostral semicircular in dorsal view; 171–184 middorsal scales; 158–172 midventral scales; subcaudal scales 10–13; 10 scales around the middle of tail; dorsum brown with dark brown copper in the centre and median portion of dorsal scales, forming seven longitudinal lines from occipital scales to terminal spine; seven remaining ventrolateral scale rows whitish cream (from PINTO-RICHARD et a. 2010). 
Comment 
EtymologyNamed after Armando Dugand (1906-1971), a naturalist and Director, Institute of Natural Sciences, Universidad Nacional de Colombia, Bogota (1940-1953). 
References
  • Adalsteinsson, S.A.; Branch, W.R.; Trapé, S.; Vitt, L.J. & Hedges, S.B. 2009. Molecular phylogeny, classification, and biogeography of snakes of the Family Leptotyphlopidae (Reptilia, Squamata). Zootaxa 2244: 1-50 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Bernal, R. 2025. Serpientes de Colombia-Guía de Campo. Serie de Guías Tropicales de Campo. 19: 396 pp. Conservación Internacional Colombia, Bogotá - get paper here
  • Dunn, E.R. 1944. A review of the Colombian snakes of the families Typhlopidae and Leptotyphlopidae. Caldasia 3 (11): 47-55 - get paper here
  • HEDGES, S. BLAIR 2011. The type species of the threadsnake genus Tricheilostoma Jan revisited (Squamata, Leptotyphlopidae). Zootaxa 3027: 63–64 - get paper here
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp.
  • Passos, Paulo; Caramaschi, Ulisses; Pinto, Roberta R. 2006. Redescription of Leptotyphlops koppesi Amaral, 1954, and description of a new species of the Leptotyphlops dulcis group from Central Brazil (Serpentes: Leptotyphlopidae). Amphibia-Reptilia 27 (3): 347-357 - get paper here
  • Pérez-Santos,C. & Moreno, A.G. 1988. Ofidios de Colombia. Museo reegionale di Scienze Naturali, Torino, Monographie VI, 517 pp.
  • Pinto, Roberta R. and Ronaldo Fernandes 2012. A New Blind Snake Species of the Genus Tricheilostoma from Espinhaço Range, Brazil and Taxonomic Status of Rena dimidiata (Jan, 1861) (Serpentes: Epictinae: Leptotyphlopidae). Copeia 2012 (1): 37-48. - get paper here
  • PINTO, ROBERTA R.; PAULO PASSOS, JOSÉ RANCES CAICEDO-PORTILLA, JUAN CAMILO ARREDONDO & RONALDO FERNANDES 2010. Taxonomy of the Threadsnakes of the tribe Epictini (Squamata: Serpentes: Leptotyphlopidae) in Colombia. Zootaxa 2724: 1–28 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
 
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